*{
    margin:0;
    padding:0;
    box-sizing:border-box;
    font-family:"Segoe UI",Arial,sans-serif;
}


body{

    background:#eef6ff;

    color:#164e75;

}





.container{

    width:100%;

    padding:35px 45px;

}






/* HEADER */

.header{

    width:100%;

    background:linear-gradient(90deg,#075985,#0284c7);

    color:white;

    padding:35px 40px;

    border-radius:18px;

    display:flex;

    justify-content:space-between;

    align-items:center;

    margin-bottom:25px;

}



.header h1{

    font-size:30px;

    font-weight:800;

}



.header p{

    margin-top:10px;

    font-size:16px;

}







/* NÚT QUAY LẠI */

.back{

    background:white;

    color:#075985;

    padding:14px 25px;

    border-radius:10px;

    text-decoration:none;

    font-weight:700;

    white-space:nowrap;

}



.back:hover{

    background:#e0f2fe;

}







/* KHUNG CHI TIẾT */

.detail-box{

    width:100%;

    background:white;

    padding:30px;

    border-radius:15px;

}






/* TỪNG MỤC */

.item{

    padding:18px 0;

    border-bottom:1px solid #dbeafe;

}



.item:last-child{

    border-bottom:none;

}



.item label{

    display:block;

    color:#075985;

    font-weight:700;

    font-size:16px;

    margin-bottom:8px;

}



.item p{

    color:#164e75;

    line-height:1.6;

    font-size:15px;

}






/* FILE PDF */

.file-btn{

    display:inline-flex;

    align-items:center;

    justify-content:center;

    background:#dc2626;

    color:white;

    padding:10px 22px;

    border-radius:8px;

    text-decoration:none;

    font-weight:700;

}



.file-btn:hover{

    background:#991b1b;

}